Copies the current document to the Mac clipboard. It preserves formatting, because it uses pandoc/HTML as an intermediate step.I use https://github.com/Taitava/obsidian-shellcommands

copy_rich_text

#!/usr/bin/env python3

import sys
import re
import os
import tempfile
import shutil
import uuid
from subprocess import Popen, PIPE, STDOUT

pwd = os.getcwd()
filename = sys.argv[1]
dirname = os.path.dirname(filename)


def make_embed(match):
  target = os.path.join(pwd, dirname, match.group(1))
  target = target.replace(" ", "%20")
  if match.group(2):
    size = match.group(2)[1:]
    return f"![](<{target}>){{width={size}px}}"
  else:
    return f"![](<{target}>)"
  
result = re.sub(r"!\[\[(.*?)(\|\d+)?\]\]", make_embed, open(filename, "r").read(), re.MULTILINE)

output_html_path = os.path.join(os.getenv("TMPDIR"), f"{uuid.uuid1()}.html")

cmd = f"/opt/homebrew/bin/pandoc -f commonmark_x -t html --embed-resources --standalone -s --o {output_html_path}".split(" ")
p = Popen(cmd, stdin=PIPE, stdout=PIPE)    
stdout = p.communicate(input=result.encode("utf-8"))[0]
output = stdout.decode()

script = f"""
tell application "TextEdit"
  activate
  open POSIX file "{output_html_path}"
  delay 1
  tell application "System Events"
    keystroke "a" using command down
    keystroke "c" using command down
  end tell
  delay 1
  quit
end tell
"""

p = Popen(["osascript"], stdin=PIPE, stdout=PIPE, stderr=STDOUT)
stdout = p.communicate(input=script.encode("utf-8"))[0]

os.unlink(output_html_path)